FIU continued to improve in Champenois third season as the Panthers dominated the 2022 American Athletic Conference, winning the regular season and tournament championships in the program's first season in the conference.

In his first season with the Panther's he helped the program go 12-4-2 and capped the year with an upset victory over No. 1 Marshall to capture the Conference USA regular season championship.

Lucas Champenois was announced as assistant coach of FIU men's soccer in March of 2021. Champenois joins FIU after spending the last three seasons as an assistant coach at NC State in the highly competitive Atlantic Coast Conference (ACC), where he worked primarily with the goalkeepers.

While at NC State, Champenois coached and developed Leon Krapf, a CoSIDA Academic All-American, All-ACC Academic Team honoree, and the program record-holder in career goals against average (1.11). Krapf also finished his career ranked No. 2 in program history in shutouts (25) under the guidance of Champenois. In 2019, NC State finished fifth in the stacked ACC landscape and earned a first round berth to the NCAA Tournament. 

Champenois duties at NC State included conducting goalkeeper specific training and advanced development, while also participating in player recruitment and player identification. Champenois aided staff in designing daily training sessions, creating opposition scouting reports, and editing video before and after contests. Among his coaching, recruiting, and development duties, Champenois also held weekly academic meetings with players, assisted the director of soccer operations with administrative duties, and helped organize and direct youth ID camps.

Prior to joining NC State, Champenois served as a volunteer assistant coach at the University of New Mexico (UNM) from 2016-19, responsible for working with the goalkeepers. During his time with the Lobos, Champenois helped guide the program to a 2016 Conference USA Tournament championship after defeating FIU in the final round. Champenois also coached and developed goalkeeper Jason Beaulieu, who went on to sign with the Montral Impact of the MLS. In addition, Champenois developed Ford Parker between the posts, who is currently playing with New Mexico United of the USL Championship.

While coaching at UNM, Champenois also served as a goalkeeper and academy coach at Rio Rapids Soccer Club in Albuquerque, New Mexico, as well as a goalkeeper coach at South West School of Goalkeeping.

Champenois began his coaching career in 2015 as an assistant soccer coach at Diablo Football Club in Concord, California. 

Before transitioning to the coaching ranks, Champenois was a four-year NCAA Division I goalkeeper standout from 2012-15 at Saint Mary's College of California (SMC). Champenois was a team captain and finished his career as the third all-time program leader in goals against average (1.23). During his senior season in 2015, Champenois led the West Coast Conference (WCC) in shutouts, goals allowed, and goals against average (0.95), while earning Second Team All-WCC at the end of the year. Champenois was also a 2015 WCC All-Academic Team Honorable Mention and a two-time member of the WCC Commisioner's Honor Roll.

Champenois holds a U.S Soccer Federation 'D' License and obtained a Bachelor of Science in Business Administration from Saint Mary's College of California.

A native of Mountain View, California, Champenois is fluent in both English and French and is proficient in Spanish.